Adaptor for an auxiliary transmission



FIG. 1 is a front elevational view of an adaptor for an auxiliary transmission showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a bottom plan view of an enlarged scale, the top being the same in appearance; and

FIG. 4 is a left side elevational view thereof on an enlarged scale, the right side being same in appearance. 

The ornamental design for an adaptor for an auxiliary transmission, as shown and described. 